For ruby gems: https://www.deppbot.com https://www.deppbot.com Deppbot periodically runs bundle update and creates a pull request for you to review. They also

For ruby gems: https://www.deppbot.com https://www.deppbot.com Deppbot periodically runs bundle update and creates a pull request for you to review. They also track security releases and generate a pull request. The description in the PR links to the gem changelogs, which makes it easy to investigate and evaluate pending changes. I would love to see a node version of this service.